Ex 2.1, 8 - Find principal value of cot-1 (root 3) - CBSE - Ex 2.1

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Ex2.1, 8 Find the principal value of cot-1 (√3) Let y = cot-1 (√3) cot y = √3 cot y = cot π/6 Range of principal value of cot−1 is (0,π) Hence, principal value is π/6

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